| Social Events and # of people attending | |||||||||
| WG-member | Arrival | Departure | NumSoft12 participant? | # | Hotel | ||||
| Tuesday | Wednesday | Thursday | |||||||
| extra | Andrew Dienstfrey | Sunday | Saturday | yes | 4 | NH Ciudad Santander | Yes (4) | Yes (4) | Yes (4) |
| Bo Einarsson | Sunday | Monday | yes | 1 | Hotel Bahia | Yes (1) | Yes (1) | Yes (1) | |
| Craig Douglas | Sunday | Thursday | yes, one day | 1 | NH Ciudad Santander | Yes (1) | No | No | |
| Javier Segura | yes | Yes (1) | Yes (1 or 4) | Yes (4) | |||||
| Masaaki Shimasaki | Sunday | Friday | yes | 1 | NH Ciudad Santander | Yes (1) | Yes (1) | Yes (1) | |
| Richard Hanson | Sunday | Saturday | yes | 2 | Hotel Bahia | Yes (2) | Yes (2) | Yes (2) | |
| Ron Boisvert | Saturday | Saturday | yes | 2 | NH Ciudad Santander | Yes (2) | Yes (2) | Yes (2) | |
| Ronald Cools | Sunday | Wednesday | half day | 1 | Hotel Bahia | Yes (1) | No | No | |
| Wayne Enright | Friday | yes | 2 | Hotel Bahia | Yes (2) | Yes (2) | Yes (2) | ||
| Wilfried Gansterer | Sunday | Friday, morning | yes | 2 | Hotel Bahia | Yes (2) | Yes (2) | Yes (2) |